Yi Peng Festival in Chiang Mai, Thailand © Suttipong Sutiratanachai/Getty Images
The bright light of the full moon is mirrored by lit lanterns launched skyward in the Thai festival of Yi Peng. It"s a beautiful celebration, as you can see, and it happens around the second full moon at this time of year ("yi" means "two" and "peng" means "full moon day"). Our photo shows the lanterns in Chiang Mai, Thailand"s second-largest city and the home of the most famous Yi Peng observance, which has strong ties to the Lanna people of northern Thailand.